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Labrador Retrievers are a popular dog breed in many countries. There are three recognised colours, black, chocolate, and yellow, [1] that result from the interplay among genes that direct production and expression of two pigments, eumelanin (brown or black pigment) and pheomelanin (yellow to red pigment), in the fur and skin of the dog.
On homozygous M/M "double merles", black is replaced with ~25% black, ~50% silver and ~25% white, again with random variation, such that some animals have more black or more white. Eumelanin (black/etc.) is significantly reduced by M/m, but phaeomelanin is barely affected such that there will be little to no evidence of the merle gene on any ...
Brindle is a coat coloring pattern in animals, particularly dogs, cattle, guinea pigs, cats, and, rarely, horses. It is sometimes described as "tiger-striped", although the brindle pattern is more subtle than that of a tiger's coat. Brindle typically appears as black stripes on a red base.
HONG KONG — A zoo in China has been accused of trying to deceive visitors with a pair of dogs dyed black and white to look like panda bears.. Videos circulating on Chinese social media show the ...
A cat with black point coloration. Points are specific areas of an animal coat that are colored differently from the main body colorations. Point coloration may be represented by a pale body color and relatively darker extremities, such as face, ears, feet, tail, and external sex organs, as seen on Siamese cats. [1]
Black dog syndrome or big black dog syndrome is a phenomenon in which black dogs are passed over for adoption in favor of lighter-colored animals. [1] Black cats are similarly reported to be subject to the same phenomenon. [1] While earlier studies found evidence for a lower adoption rate for black dogs, other studies found that they are ...
Roan is a coat color found in many animals, including horses, cattle, antelope, cats and dogs. It is defined generally as an even mixture of white and pigmented hairs that do not "gray out" or fade as the animal ages. [1] There are a variety of genetic conditions which produce the colors described as "roan" in various species. Bay Roan with ...
Merle is a distinguishing marking of several breeds, particularly the Australian Shepherd and Catahoula Leopard Dog, and appears in others, including the Miniature American Shepherd, the Koolie in Australia, the Shetland Sheepdog, various collie breeds, the Cardigan Welsh Corgi, the Pyrenean Shepherd and the Bergamasco Shepherd. [5]